RowItemOwner: Replaced parent notification scheme
[pulseview.git] / pv / view / view.h
index 0352864500d659152dfd738444d30e8aba02ca38..71a38f11888b0034ce3c916a6a19d5939107459d 100644 (file)
@@ -29,6 +29,7 @@
 
 #include <QAbstractScrollArea>
 #include <QSizeF>
+#include <QTimer>
 
 #include <pv/data/signaldata.h>
 
@@ -49,6 +50,12 @@ class Viewport;
 class View : public QAbstractScrollArea, public RowItemOwner {
        Q_OBJECT
 
+private:
+       enum StickyEvents {
+               SelectableItemHExtentsChanged = 1,
+               SelectableItemVExtentsChanged = 2
+       };
+
 private:
        static const double MaxScale;
        static const double MinScale;
@@ -138,8 +145,6 @@ public:
 
        const QPoint& hover_point() const;
 
-       void normalize_layout();
-
        void update_viewport();
 
 Q_SIGNALS:
@@ -190,6 +195,11 @@ private:
 
        void resizeEvent(QResizeEvent *e);
 
+public:
+       void appearance_changed(bool label, bool content);
+
+       void extents_changed(bool horz, bool vert);
+
 private Q_SLOTS:
 
        void h_scroll_value_changed(int value);
@@ -202,7 +212,7 @@ private Q_SLOTS:
 
        void on_signals_moved();
 
-       void on_geometry_updated();
+       void process_sticky_events();
 
        void on_hover_point_changed();
 
@@ -227,6 +237,9 @@ private:
        CursorPair _cursors;
 
        QPoint _hover_point;
+
+       unsigned int _sticky_events;
+       QTimer _lazy_event_handler;
 };
 
 } // namespace view